Blacklist Monitor

Welcome to our Blacklist Performance Monitoring, tracking more than 40 blacklists.

Blacklists, also known as RBL, DNSBL or URIBL, help administrators to block messages from specific IP's which have a history of sending spam. They can be used by software like SpamAssassin to reject or flag unwanted messages. Most public blacklists have their own standards and criteria for listing spammers. Hence, results can vary greatly from one to the other.

Latest News

2025-10-21

Removed the no longer operational WPBL and CBLCN lists
» More news

Blacklists performance from 2025-12-01 till 2025-12-07

Below are weekly statistics of accuracy and failure rates for specific blacklists:

Name Type Accuracy Inaccuracy
COMPOSITE BLOCKING LIST DNSBL 33.26% 0%
DCC CHECK 78.62% 3.78%
DNSWL HIGH DNSWL 0.07% 0%
DNSWL LOW DNSWL 0.1% 0.1%
DNSWL MEDIUM DNSWL 9.62% 0%
DNSWL NONE DNSWL 1.28% 8.37%
DRONEBL DNSBL 14.36% 0.07%
GBUDB.COM TRUNCATE DNSBL 49.9% 0%
IMP SPAMLIST DNSBL 0% 0%
JIPPG DNSBL 9.92% 0%
JMF-BLACK DNSBL 31.4% 0.07%
JMF-WHITE DNSWL 0.3% 0.1%
MAILSPIKE BL DNSBL 46.69% 0%
MAILSPIKE WL DNSWL 3.35% 4.24%
PSBL SURRIEL DNSBL 24.38% 0%
SPAM EATING MONKEY - BLACK DNSBL 17.87% 0%
SPAM EATING MONKEY - URI BLACK URIBL 5.06% 0.03%
SPAM EATING MONKEY - URI FRESH URIBL 1.65% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 1.76% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 3.82% 0%
SPAM EATING MONKEY - URI RED URIBL 5.89% 0.03%
SPAMCOP DNSBL 49.17% 0%
SPAMHAUS DBL URIBL 34.19% 0.03%
SPAMHAUS PBL DNSBL 39.26% 0%
SPAMHAUS SBL URIBL 0.21% 0%
SPAMHAUS XBL DNSBL 33.26% 0%
SPAMHAUS ZEN DNSBL 49.79% 0%
SPAMRATS ALL DNSBL 36.36% 0%
SPAMRATS DYNA DNSBL 9.92% 0%
SPAMRATS NOPTR DNSBL 15.39% 0%
SPAMRATS SPAM DNSBL 13.12% 0%
SURBL ABUSE URIBL 37.71% 0.03%
SURBL COMBINED URIBL 47.31% 0.07%
SURBL CRACKED SITES URIBL 0.1% 0%
SURBL MALWARE URIBL 0% 0%
SURBL PHISHING URIBL 20.97% 0%
SWINOG DNSRBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
UCEPROTECT 1 DNSBL 35.95% 0.07%
UCEPROTECT 2 DNSBL 56.3% 0.03%
UCEPROTECT 3 DNSBL 39.57% 23.83%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
URIBL BLACKLIST URIBL 23.97% 0%

View the data processing guide to learn more.